Sylvain Chomet (French: [ʃɔmɛ]; born 10 November 1963) is a French comic writer, animator and film director.

Born in Maisons-Laffitte, Seine-et-Oise (now Yvelines), near Paris, he studied art at high school until he graduated in 1982. Chomet moved to London in 1988 to work as an animator at the Richard Purdum studio. In September of that year, he established a freelance practice, working on commercials for clients such as Principality, Renault, Swinton and Swissair.

In addition to his animation career, Chomet has created many print comics, starting in 1986 with Secrets of the Dragonfly. In 1992 Chomet wrote the script for a science fiction comic called The Bridge in Mud. 1993 saw Chomet writing the story for Léon-la-Came, which was drawn by Nicolas de Crécy for À Suivre magazine. This was published in 1995 and won the René Goscinny Prize in 1996. In 1997, Chomet published Ugly, Poor, and Sick, again with de Crécy. This won them the Alph-Art Best Comic Prize at the Angoulême Comics Festival.

In 1991, Chomet started work on his first animated film, The Old Lady and the Pigeons, with backgrounds designed by Nicolas de Crécy. The short film won him a BAFTA, the Grand Prize at the 1997 Annecy International Animated Film Festival, the Cartoon d'or prize, as well as the Audience Prize and Jury Prize at the Angers Premiers Plans Festival. It also received a nomination for an Academy Award for Best Animated Short Film.

Chomet's first feature-length animated film, The Triplets of Belleville was also nominated for two Oscars in 2003 (Best Animated Feature and Best Song), and introduced Chomet's name to a much wider audience. Upon the film's release, de Crécy accused Chomet of plagiarizing his work, citing it as the reason for the dissolution of their collaboration. The visual style of The Triplets of Belleville closely resembles the earlier work of de Crécy's 1994 graphic novel Le Bibendum Céleste.

In 2004, Chomet founded Django Films, an animation studio based in Edinburgh, Scotland. The studio was set up with the ambition of establishing itself in both animation and live-action filmmaking, but has since been dismantled due to several production difficulties, first losing funding for what was to be the studio's first animated feature, Barbacoa, to have been directed by Chomet. Another major setback was the studio's failure to secure funding for The Clan, an animated sitcom for BBC.

In 2006, he directed a segment for the collaborative film Paris, je t'aime; he was assigned the 7th arrondissement of Paris segment "Tour Eiffel". It was Chomet's first work in live action.

After many delays, Chomet directed The Illusionist, which premiered at the 60th Berlin International Film Festival in February 2010. The film was based on an unproduced script that Jacques Tati had written in 1956 as a personal letter to his estranged eldest daughter and stars an animated version of Tati himself. It was originally conceived by Tati as a journey of love and discovery that takes two characters across Western Europe to Prague. Chomet says that "Tati wanted to move from purely visual comedy and try an emotionally deeper story" and states that "It's not a romance, it's more the relationship between a dad and a daughter". The film cost an estimated $17 million to make, and was funded by Pathé Pictures.